20 lines
273 B
C++
20 lines
273 B
C++
#pragma once
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#include <list>
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class Observer;
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class Subject
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{
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public:
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Subject();
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virtual ~Subject();
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virtual void addObserver(Observer*);
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virtual void delObserver(Observer*);
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protected:
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virtual void notify(Subject*);
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private:
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std::list<Observer*> mp_Observers;
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}; |